.leftSilde{
  width: 224px;
  background: #343F52;
  position: absolute;
  overflow: auto;
  padding-bottom: 24px;
  height: 100%;
  z-index: 33;
  border-right: 1px solid #e9e9e9;
}
.mainContent{
  width: 100%;
  position: absolute;
  z-index: 22;
  padding-left: 224px;
  box-sizing: border-box;
  height: 100%;
  overflow: auto;
}
.main{
  width: 100%;
  box-sizing: border-box;
}

.bgWhite{
   background-color: #FFF;
}
